--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-03-27T00:00:00Z' dns-udp-queries-received-ipv4: 2416355186 dns-udp-queries-received-ipv6: 481951097 dns-tcp-queries-received-ipv4: 38965349 dns-tcp-queries-received-ipv6: 11448179 dns-udp-responses-sent-ipv4: 2388029896 dns-udp-responses-sent-ipv6: 479272550 dns-tcp-responses-sent-ipv4: 35543409 dns-tcp-responses-sent-ipv6: 10662761